SEI Investments Co
SEIC- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0000350894
In the last 90 days, SEI Investments Co insiders filed 0 open-market purchases and 11 sales; 575 institutions reported holding it in 13F filings for Q2 2026, worth $7.94B in total; Markel Group is the only superinvestor holding it.
13F holders, Q1 2024
Institutional positions in SEI Investments Co as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 475
- −10 vs. Q4 2023
- Shares held
- 94.2M
- +1.49M (+1.6%) vs. Q4 2023
- Total value
- $6.77B
- +$876.6M (+14.9%) vs. Q4 2023
- New holders
- 47
- 141 more added
- Sold out
- 57
- 185 more reduced
6 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SEIC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 575 | $7.94B |
| Q1 2026 | 569 | $7.06B |
| Q4 2025 | 562 | $7.31B |
| Q3 2025 | 550 | $7.51B |
| Q2 2025 | 564 | $8.09B |
| Q1 2025 | 546 | $7.27B |
| Q4 2024 | 540 | $7.52B |
| Q3 2024 | 502 | $6.35B |
| Q2 2024 | 493 | $6.02B |
| Q1 2024 | 475 | $6.77B |
| Q4 2023 | 491 | $5.90B |
| Q3 2023 | 462 | $5.63B |
| Q2 2023 | 458 | $5.53B |
| Q1 2023 | 444 | $5.36B |
| Q4 2022 | 446 | $5.45B |
| Q3 2022 | 433 | $4.63B |
| Q2 2022 | 456 | $5.18B |
| Q1 2022 | 465 | $5.81B |
| Q4 2021 | 472 | $5.94B |
| Q3 2021 | 446 | $5.73B |
| Q2 2021 | 440 | $6.04B |
| Q1 2021 | 443 | $5.97B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Schroder Investment Management Group | 21,835 | $1.57M | 0.00% | −149,511−87.3% | Reduced |
| Schechter Investment Advisors, LLC | 21,602 | $1.55M | 0.12% | −421−1.9% | Reduced |
| Davenport & Co LLC | 21,036 | $1.51M | 0.01% | −40.0% | Reduced |
| New Mexico Educational Retirement Board | 20,800 | $1.50M | 0.05% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 20,362 | $1.46M | 0.02% | 00.0% | Unchanged |
| Mediolanum International Funds Ltd | 20,034 | $1.44M | 0.02% | +20,034 | New |
| Moors & Cabot, Inc. | 19,651 | $1.41M | 0.08% | −220−1.1% | Reduced |
| JustInvest LLC | 19,519 | $1.40M | 0.03% | +3,369+20.9% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 19,485 | $1.40M | 0.01% | −18,000−48.0% | Reduced |
| Pacer Advisors, Inc. | 18,973 | $1.36M | 0.00% | −891−4.5% | Reduced |
| Panagora Asset Management Inc | 18,748 | $1.35M | 0.01% | 00.0% | Unchanged |
| AlTi Global, Inc. | 18,521 | $1.33M | 0.04% | 00.0% | Unchanged |
| Pensionfund Sabic | 18,500 | $1.33M | 0.39% | −2,000−9.8% | Reduced |
| Stifel Financial Corp | 18,147 | $1.30M | 0.00% | +163+0.9% | Added |
| Xponance, Inc. | 18,127 | $1.30M | 0.01% | +5,628+45.0% | Added |
| Parallel Advisors, LLC | 17,806 | $1.28M | 0.03% | +6,690+60.2% | Added |
| Lafayette Investments, Inc. | 17,652 | $1.27M | 0.29% | −235−1.3% | Reduced |
| DnB Asset Management AS | 17,599 | $1.27M | 0.01% | −77−0.4% | Reduced |
| Jane Street Group, LLC | 17,531 | $1.26M | 0.00% | −16,306−48.2% | Reduced |
| Utah Retirement Systems | 17,474 | $1.26M | 0.01% | −100−0.6% | Reduced |
| Donald L. Hagan, LLC | 17,259 | $1.24M | 0.66% | −535−3.0% | Reduced |
| Tredje AP-fonden | 17,128 | $1.23M | 0.01% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 17,057 | $1.23M | 0.03% | +17,057 | New |
| Ashton Thomas Private Wealth, LLC | 16,818 | $1.21M | 0.07% | −103−0.6% | Reduced |
| TownSquare Capital, LLC | 16,814 | $1.21M | 0.02% | +1,176+7.5% | Added |
| Baird Financial Group, Inc. | 16,696 | $1.20M | 0.00% | −786−4.5% | Reduced |
| Gould Capital, LLC | 16,233 | $1.17M | 0.82% | +1,565+10.7% | Added |
| Quantinno Capital Management LP | 15,844 | $1.14M | 0.02% | +9,461+148.2% | Added |
| Voya Investment Management LLC | 15,787 | $1.14M | 0.00% | −1,736−9.9% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 15,719 | $1.13M | 0.00% | −744−4.5% | Reduced |
| Rockefeller Capital Management L.P. | 15,385 | $1.11M | 0.00% | +15,385 | New |
| South Dakota Investment Council | 15,329 | $1.10M | 0.02% | −7,900−34.0% | Reduced |
| 1832 Asset Management L.P. | 15,301 | $1.10M | 0.00% | −758−4.7% | Reduced |
| Public Sector Pension Investment Board | 15,022 | $1.08M | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 14,834 | $1.07M | 0.02% | −1,366−8.4% | Reduced |
| Gotham Asset Management, LLC | 14,555 | $1.05M | 0.02% | −22−0.2% | Reduced |
| Boston Financial Mangement LLC | 14,000 | $1.01M | 0.03% | −1,900−11.9% | Reduced |
| Cerity Partners LLC | 13,939 | $1.00M | 0.00% | +3,200+29.8% | Added |
| TD Waterhouse Canada Inc. | 12,869 | $971.5K | 0.01% | +556+4.5% | Added |
| Brevan Howard Capital Management LP | 13,500 | $970.6K | 0.09% | +1,205+9.8% | Added |
| Nissay Asset Management Corp | 13,405 | $963.8K | 0.01% | +155+1.2% | Added |
| Los Angeles Capital Management LLC | 13,390 | $962.7K | 0.00% | +7,029+110.5% | Added |
| British Columbia Investment Management Corp | 13,325 | $958.1K | 0.01% | +375+2.9% | Added |
| Valley National Advisers Inc | 13,318 | $957.0K | 0.14% | −1,194−8.2% | Reduced |
| Railway Pension Investments Ltd | 13,200 | $949.1K | 0.01% | +13,200 | New |
| Aviva PLC | 13,031 | $936.9K | 0.00% | −1,032−7.3% | Reduced |
| Merit Financial Group, LLC | 13,900 | $935.0K | 0.02% | +5,285+61.3% | Added |
| Allspring Global Investments Holdings, LLC | 12,800 | $920.3K | 0.00% | −54,410−81.0% | Reduced |
| True Wealth Design, LLC | 12,509 | $899.4K | 0.22% | −117−0.9% | Reduced |
| CI Private Wealth, LLC | 11,690 | $840.5K | 0.00% | −1,078−8.4% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 11,639 | $836.8K | 0.04% | −81−0.7% | Reduced |
| Worldquant Millennium Advisors LLC | 11,242 | $808.3K | 0.01% | −4,188−27.1% | Reduced |
| BancorpSouth Bank | 10,692 | $768.8K | 0.06% | +69+0.6% | Added |
| Commerce Bank | 10,648 | $765.6K | 0.01% | +50+0.5% | Added |
| Federated Hermes, Inc. | 10,595 | $761.8K | 0.00% | −667−5.9% | Reduced |
| Brandes Investment Partners, LP | 10,260 | $737.7K | 0.01% | +4,191+69.1% | Added |
| Elo Mutual Pension Insurance Co | 10,220 | $735.0K | 0.02% | +10,220 | New |
| M&T Bank Corp | 10,194 | $732.9K | 0.00% | −860−7.8% | Reduced |
| Ethic Inc. | 10,003 | $719.2K | 0.02% | +5,607+127.5% | Added |
| RBF Capital, LLC | 10,000 | $719.0K | 0.04% | 00.0% | Unchanged |
| Central Pacific Bank - Trust Division | 10,136 | $717.4K | 0.09% | +10,136 | New |
| Patton Albertson Miller Group, LLC | 9,950 | $715.4K | 0.11% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 9,661 | $701.0K | 0.00% | −556−5.4% | Reduced |
| Logan Capital Management Inc | 9,700 | $697.4K | 0.03% | 00.0% | Unchanged |
| Patten & Patten Inc | 9,500 | $683.0K | 0.05% | 00.0% | Unchanged |
| Prudential Financial Inc | 9,415 | $676.9K | 0.00% | −512−5.2% | Reduced |
| Gulf International Bank (UK) Ltd | 9,309 | $669.0K | 0.02% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 7,931 | $664.0K | 0.00% | +509+6.9% | Added |
| NBC Securities, Inc. | 9,221 | $662.0K | 0.06% | −28−0.3% | Reduced |
| Mackenzie Financial Corp | 9,159 | $658.5K | 0.00% | −563−5.8% | Reduced |
| Susquehanna International Group, LLP | 9,143 | $657.4K | 0.00% | −5,612−38.0% | Reduced |
| Northwest Investment Counselors, LLC | 9,126 | $656.2K | 0.16% | −290−3.1% | Reduced |
| Nilsine Partners, LLC | 9,009 | $647.7K | 0.09% | −2,744−23.3% | Reduced |
| Wellington Shields & Co., LLC | 9,000 | $647.1K | 0.22% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 8,962 | $644.4K | 0.02% | +39+0.4% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 8,851 | $636.4K | 0.03% | +1,226+16.1% | Added |
| DGS Capital Management, LLC | 8,839 | $635.5K | 0.18% | +4,607+108.9% | Added |
| Hillsdale Investment Management Inc. | 8,800 | $632.7K | 0.05% | −200−2.2% | Reduced |
| Crossmark Global Holdings, Inc. | 8,595 | $618.0K | 0.01% | −416−4.6% | Reduced |
| Ghe, LLC | 8,482 | $610.0K | 0.28% | −7,602−47.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 8,353 | $600.6K | 0.05% | −18,231−68.6% | Reduced |
| Nordea Investment Management AB | 8,258 | $597.6K | 0.00% | −1,187−12.6% | Reduced |
| Securian Asset Management, Inc | 8,194 | $589.1K | 0.02% | −226−2.7% | Reduced |
| Creative Planning | 7,931 | $570.3K | 0.00% | +771+10.8% | Added |
| Janus Henderson Group PLC | 7,864 | $565.2K | 0.00% | −743−8.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 7,832 | $563.1K | 0.01% | −71−0.9% | Reduced |
| Lecap Asset Management Ltd | 7,775 | $559.0K | 0.12% | −1,623−17.3% | Reduced |
| Fisher Asset Management, LLC | 7,767 | $558.4K | 0.00% | −881−10.2% | Reduced |
| Maryland State Retirement & Pension System | 8,132 | $537.4K | 0.01% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 7,400 | $532.0K | 0.00% | +100+1.4% | Added |
| Front Street Capital Management, Inc. | 7,329 | $527.0K | 0.10% | +10.0% | Added |
| Fayez Sarofim & Co | 7,300 | $524.9K | 0.00% | 00.0% | Unchanged |
| First Citizens Bank & Trust Co | 7,042 | $506.3K | 0.01% | +230+3.4% | Added |
| JJJ Advisors Inc. | 7,015 | $504.4K | 0.11% | +1,022+17.1% | Added |
| Engineers Gate Manager LP | 7,002 | $503.4K | 0.01% | −33,113−82.5% | Reduced |
| Edgestream Partners, L.P. | 6,873 | $494.2K | 0.02% | −41,326−85.7% | Reduced |
| Mariner, LLC | 6,869 | $493.9K | 0.00% | +327+5.0% | Added |
| Versor Investments LP | 6,782 | $487.6K | 0.10% | −2,500−26.9% | Reduced |
| Baker Tilly Wealth Management, LLC | 6,696 | $481.5K | 0.09% | +72+1.1% | Added |
| Haverford Trust Co | 6,613 | $475.5K | 0.00% | 00.0% | Unchanged |